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Flyback Transformers (2.7 – 36 Vdc input) Input range: Telecom (36 – 72 Vdc) | Telecom (36 – 57 Vdc) | Telecom extended (14 – 72 Vdc) | AC line If no transformer meets your design criteria, consult the Coilcraft Structured Design Guide for Switching Transformers for a step-by-step guide to transformer design, or contact Coilcraft for assistance. |
| 3.3 Vdc Input | ||||||
| 1.2 | 12 V, 0.1 A | 330 | 1 : 2 | 100 | DA2420-AL | ST Micro STE12PS |
| 1.2 | 12 V, 0.1 A | 330 | 1 : 2 | 100 | DA2421-AL | ST Micro STE12PS |
| 4 – 6 Vdc Input | ||||||
| 4.2 |
12 V, 0.35 A –12 V, 0.35 A |
22 |
1 : 2.5 1 : 2.5 |
100 | Q4436-BL | NSC LM258X (T2) |
| 4.2 |
12 V, 0.35 A –12 V, 0.35 A |
22 |
1 : 2.5 1 : 2.5 |
100 | Q4337-BL | NSC LM258X (T2) |
| 4.5 | 5 V / 0.9 A | 47 | 1 : 1 | 100 | S6057-AL | NSC LM258X (T7) |
| 4.5 | 5 V / 0.9 A | 47 | 1 : 1 | 100 | S6000-AL | NSC LM258X (T7) |
| 8.0 | 5 V, 1.6 A | 22 | 1 : 1 | 100 | Q4435-BL | NSC LM258X (T1) |
| 8.0 | 5 V, 1.6 A | 22 | 1 : 1 | 100 | Q4434-BL | NSC LM258X (T1) |
| 4.5 – 8.5 Vdc Input | ||||||
| 4.0 | –48 V, 0.083 A | 19 | 1 : 16 | 125 | FA2469-AL | STMicro STLC3075 |
| 5 – 24 Vdc Input | ||||||
| 18.0 |
5 V, 3.6 A 15 V, 1.2A –15 V, 1.2A |
7.5 | 1 : 0.5 1 : 1.5 1 : 1.5 |
100 | HA3994-AL | Linear LT3751 Cap. Charger |
| 8.5 – 12 Vdc Input | ||||||
| 4.0 | –48 V, 0.083 A | 19 | 1 : 8 | 125 | FA2470-AL | STMicro STLC3075 |
| 9 – 20 Vdc Input | ||||||
| 4.1 | 24 V, 0.17 A 72 V, 0.17 A |
6 | 1 : 3 1 : 9 |
600 | IFLY0012L | Intersil ISL6401 |
| 10 – 14 Vdc Input | ||||||
| 5 | 3.3 V, 1.5 A | 25 | 1 : 0.14 | 250 | GA3431-BL | Linear LT3573 |
| 5 | 5.0 V, 1.0 A | 25 | 1 : 0.20 | 250 | GA3430-BL | Linear LT3573 |
| 18 – 36 Vdc Input | ||||||
| 7.6 |
12 V, 0.63 A –12 V, 0.63 A |
65 |
1 : 1.2 1 : 1.2 |
100 | Q4438-BL | NSC LM258X (T6) |
| 7.6 |
12 V, 0.63 A –12 V, 0.63 A |
66 |
1 : 1.2 1 : 1.2 |
100 | Q4339-BL | NSC LM258X (T6) |
| 9.0 |
12 V, 0.75 A –12 V, 0.75 A 5 V, 3 A |
85 |
1 : 0.35 1 : 0.8 1 : 0.8 |
100 | Q4344-BL | NSC LM258X (T4) |
| 9.0 |
5 V, 1.8 A 12 V, 0.25 A –12 V, 0.25 A |
55 |
1 : 0.5 1 : 0.167 1 : 0.167 |
100 | Q4437-BL | NSC LM258X (T5) |
| 9.0 |
5 V, 1.8 A 12 V, 0.25 A –12 V, 0.25 A |
66 |
1 : 0.5 1 : 0.167 1 : 0.167 |
100 | Q4338-BL | NSC LM258X (T5) |
| 16.8 | 12 V, 1.4 A –12 V, 1.4 A |
85 | 1 : 0.8 1 : 0.8 |
100 | Q4343-BL | NSC LM258X (T3) |
| 20 – 28 Vdc Input | ||||||
| 5 | 3.3 V, 1.5 A | 24 | 1 : 0.25 | 250 | GA3429-BL | Linear LT3573 |
| 22 – 26 Vdc Input | ||||||
| 50 | 53 V, 1.0 A | 35 | 1 : 1.4 | 150 | GA3136-BL | TI UCC2809 |